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Metamath Proof Explorer

Theorem 1div1e1

Description: 1 divided by 1 is 1. (Contributed by David A. Wheeler, 7-Dec-2018)

		Ref	Expression
	Assertion	1div1e1	$⊢ \frac{1}{1} = 1$

Step	Hyp	Ref	Expression
1		ax-1cn	$⊢ 1 \in ℂ$
2		div1	$⊢ 1 \in ℂ \to \frac{1}{1} = 1$
3	1 2	ax-mp	$⊢ \frac{1}{1} = 1$